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OEM Carrier Flame Sensor LH33WZ009A for LC3:50LC400468
OEM Carrier Flame Sensor LH33WZ009A for LC3:50LC400468
OEM Carrier Flame Sensor LH33WZ009A for LC3:50LC400468
OEM Carrier Flame Sensor LH33WZ009A for LC3:50LC400468
OEM Carrier Flame Sensor LH33WZ009A for LC3:50LC400468
Carrier

OEM Carrier Flame Sensor LH33WZ009A for LC3:50LC400468

SKU: CARRIE-LC3:50LC400468——-FLAME_SENSOR-LH33WZ009A Brand: Carrier
✓ Guaranteed to fit LC3:50LC400468 — or your money back. Terms

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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier Flame Sensor LH33WZ009A for Model LC3:50LC400468

This is the factory OEM flame sensor (part number LH33WZ009A) for the Carrier LC3:50LC400468 packaged unit. The flame sensor — also called a flame rod — monitors burner ignition by detecting microamp current through the flame. When it degrades with oxidation or carbon buildup, the control board can no longer confirm a live flame and shuts down the gas valve as a safety measure. The telltale symptom is a furnace or packaged unit that lights, runs for 5 to 8 seconds, then locks out — repeating this cycle until a fault code appears. Replacing the flame sensor is one of the most cost-effective furnace repairs available.

  • Specs: OEM flame rod sensor | Part No. LH33WZ009A | Factory-matched microamp signal range | Corrosion-resistant rod construction | Direct plug-in connector
  • OEM vs Generic: The OEM LH33WZ009A is manufactured to Carrier's exact rod geometry and insulator spec. Off-brand sensors may produce inconsistent microamp readings, causing nuisance lockouts even after installation — OEM eliminates that risk entirely.
  • Install difficulty: 2/5 — Turn off power and gas before servicing. Tools needed: 1/4" or 5/16" nut driver, needle-nose pliers. Disconnect the single wire lead, remove the mounting screw, swap the sensor, and reconnect. Clean the burner port area while you have access. Total job typically under 20 minutes.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our stocked warehouse.

Compatibility: Designed as the direct OEM replacement for Carrier model LC3:50LC400468. Always confirm the part number on your existing sensor or your unit's wiring diagram before ordering. Our fitment team is available to verify compatibility prior to purchase — same-day shipping means you're back up and running fast.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $99
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Flame Sensor fit my Carrier LC3:50LC400468?
Yes. This is the factory-specified OEM flame sensor for the Carrier LC3:50LC400468. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the flame sensor on my Carrier LC3:50LC400468?
Difficulty: Easy (10–15 min)
Step 1: Turn off power/gas. Step 2: Open furnace panel. Step 3: Locate flame sensor rod near burners. Step 4: Remove single mounting screw. Step 5: Clean rod with 400-grit sandpaper until shiny (or replace). Step 6: Reinstall and tighten. Most common furnace repair — saves $150–$300 vs technician.
My furnace lights then shuts off after a few seconds. Why?
Furnace lights then shuts off after 3–10 seconds = dirty flame sensor in 90% of cases. The sensor can’t detect flame through oxidation buildup. Fix: clean with 400-grit sandpaper (free, 15 min). If cleaning doesn’t work, replace the sensor.
Is this flame sensor compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier flame sensor?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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